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Metastable Alumina Polymorphs: Crystal Structures and Transition Sequences
Abstract
The available literature on the crystal structure of the metastable alumina polymorphs and their associated transitions is critically reviewed and summarized. All the metastable alumina structures have been identified as ordered or partially ordered cation arrays on the interstitial sites of an approximately close‐packed oxygen sublattice (either face‐centered cubic or hexagonal close packed). The analysis of the symmetry relations between reported alumina polymorphs having an approximately face‐centered cubic packing of the oxygen anions allows for an exact interpretation of all the complex domain structures that have been observed experimentally. Possible mechanisms for the phase transitions between the different alumina polymorphs also are discussed.
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Citations
Cited by
Effect of polymorphic phase transformations in Al2O3 film on oxidation kinetics of aluminum powders
Trunov, M. A., Schoenitz, M., Zhu, X., & Dreizin, E. L. (2005) · Combustion and Flame · doi:10.1016/j.combustflame.2004.10.010 · Cited by 586
The real structure of ε-Ga2O3 and its relation to κ-phase
Cora, I., Mezzadri, F., Boschi, F., Bosi, M., Čaplovičová, M., Calestani, G., Dódony, I., Pécz, B., & Fornari, R. (2017) · CrystEngComm · doi:10.1039/c7ce00123a · Cited by 389
Diffusion of oxygen in amorphous Al2O3, Ta2O5, and Nb2O5
Nakamura, R., Toda, T., Tsukui, S., Tane, M., Ishimaru, M., Suzuki, T., & Nakajima, H. (2014) · Journal of Applied Physics · doi:10.1063/1.4889800 · Cited by 132
Preparation of Nanocrystalline Alumina under Hydrothermal Conditions
Al’myasheva, O. V., Korytkova, E. N., Maslov, A. V., & Gusarov, V. V. (2005) · Inorganic Materials · doi:10.1007/s10789-005-0152-7 · Cited by 88
Creating a Protective Shell for Reactive MoSi 2 Particles in High‐Temperature Ceramics
Carabat, A. L., van der Zwaag, S., & Sloof, W. G. (2015) · Journal of the American Ceramic Society · doi:10.1111/jace.13625 · Cited by 29
Metadata
- Authors
- Levin, I., & Brandon, D.
- Venue
- Journal of the American Ceramic Society
- Publisher
- Wiley
- Published
- 1998-08
- Volume
- 81
- Issue
- 8
- Pages
- 1995-2012
- ISSN
- 0002-7820 (ISSN-L)
- 1551-2916
- OpenAlex
- W2169190654
- Cited by
- 1,486
- References
- 0
- FWCI
- 17.94
- Type
- journal article
- Language
- en
- Open access
- closed
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- Levin, I., & Brandon, D. (1998). Metastable Alumina Polymorphs: Crystal Structures and Transition Sequences. Journal of the American Ceramic Society. https://doi.org/10.1111/j.1151-2916.1998.tb02581.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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